weather guys. tucker barnes and i put our big heads together to answer your most pressing questions, weather-related or otherwise. today's questions comes from 14- year-old chris in stafford, virginia. he asks, although it could be a woman, a girl. so he or she asks, i notice that once igor developed an eye t stayed if a while and then closed up again. i also observed this in hurricane danielle and hurricane earl. why does this happen? is there a name for it? also, whenever a hurricane is fully developed, i notice what likes feather is on the outside of the storm. why do hurricanes do this? good questions, chris. someone would is very observe and. all right. we'll talk about the eye wall first. very observant. yes, these eye walls, especially with the bigger hurricanes, in fact, primarily with the bigger hurricanes, they drop, you see them and they break down and then a new one develops. this is called the eye wall replacement cycle.